The Blue flames are Illidan's Eye beams when he's flying, and yes the Elementals ARE the flames of Azzinoth that emerge from the swords when he throws them on the ground.

Wall-to-Wall Write on Zorlac666's Wall

Euh, i'm Flashing_Hugo as in master in Adobe Flash animations...
But then again, i knew that was also a form of showing private parts
so it would have a double meaning :)

Wall-to-Wall Write on Flashing_Hugo's Wall